pyplot import error when current directory contains a file named sip.py #7867
Description
Bug report
Bug summary
When the current working directory containes a file named "sip.py" (I am working on spectral induced polarization), import matplotlib.pyplot gives a qt-related import error. This has been reproduced with 1.5.1, 1.5.3, 2.0rc with debian packages and within a conda environment.
Code for reproduction
>>> python3 -c "import matplotlib; print(matplotlib.__version__); import matplotlib.pyplot"
2.0.0rc2
>>> touch sip.py
>>> python3 -c "import matplotlib; print(matplotlib.__version__); import matplotlib.pyplot"
2.0.0rc2
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python3/dist-packages/matplotlib/pyplot.py", line 115, in <module>
_backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()
File "/usr/lib/python3/dist-packages/matplotlib/backends/__init__.py", line 32, in pylab_setup
globals(),locals(),[backend_name],0)
File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_qt4agg.py", line 18, in <module>
from .backend_qt5agg import FigureCanvasQTAggBase as _FigureCanvasQTAggBase
File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_qt5agg.py", line 16, in <module>
from .backend_qt5 import QtCore
File "/usr/lib/python3/dist-packages/matplotlib/backends/backend_qt5.py", line 26, in <module>
import matplotlib.backends.qt_editor.figureoptions as figureoptions
File "/usr/lib/python3/dist-packages/matplotlib/backends/qt_editor/figureoptions.py", line 20, in <module>
import matplotlib.backends.qt_editor.formlayout as formlayout
File "/usr/lib/python3/dist-packages/matplotlib/backends/qt_editor/formlayout.py", line 56, in <module>
from matplotlib.backends.qt_compat import QtGui, QtWidgets, QtCore
File "/usr/lib/python3/dist-packages/matplotlib/backends/qt_compat.py", line 137, in <module>
from PyQt4 import QtCore, QtGui
SystemError: initialization of QtCore failed without raising an exception